Original ResearchPublished 28 April 2026Gadolinium-based contrast agent-free (GBCA-free) versus gadolinium-based contrast agent-enhanced (GBCA-enhanced) magnetic resonance imaging as a screening tool for intracranial tumorsHaider Faeq Hadhratee Al-Rubaiee · Samr Adnan Abdaljabbar Al-Salm · Weronika Jensen · Agnieszka Monika Delekta · Yousef Yavarian · Boris ModrauFrontiers in Neuroimagingdoi 10.3389/fnimg.2026.1776934